sales across the country continue their record pace, gun advocates reacted swiftly to the president. declaring they will fight his proposals on every level. when the president made his announcement, he was joined by four kids that wrote him letters after sandy hook. >> julia said -- julia, where are you? i'm not scared for my safety. i'm scared for others. >> reporter: rush limbaugh mocked that. >> the children are writing letters to the president. we don't want to die. we don't want to die. >> reporter: the president's proposal, if passed by congress, would ban assault weapons and high-capacity magazine clips. and require background checks on virtually every gun sale. even those between private individuals at gun shows. he called on supporters to put pressure on members of congress. >> ask them, what's more important? doing whatever it takes to get an "a" grade from the gun lobby that funds their campaigns? or giving parents some peace of mind when they drop their child off for first grade? >> reporter: the president also announced 23 executive actions he can take without congress,